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HtmlInputHidden Constructor

Initializes a new instance of the HtmlInputHidden class.

Namespace:  System.Web.UI.HtmlControls
Assembly:  System.Web (in System.Web.dll)

public HtmlInputHidden()

Use this constructor to create and initialize a new instance of the HtmlInputHidden class.

The following table shows the initial property value for an instance of HtmlInputHidden.


Initial Value


The "hidden" literal string.

The following code example demonstrates how to create a new instance of the HtmlInputHidden control and place it on the Web page.

<%@ Page Language="C#" AutoEventWireup="True" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
<html xmlns="" >
   <script runat="server" >

      void Page_Load(Object sender, EventArgs e)
         // Create a new HtmlInputHidden control.
         HtmlInputHidden hidden = new HtmlInputHidden();
         hidden.ID = "HiddenValue";
         hidden.Value = "Hidden Text";

         // Add the control to the Controls collection of the 
         // PlaceHolder control.

         // Display the value of the HtmlInputHidden control.
         Message.InnerHtml = 
            "This page contains an HtmlInputHidden control that contains " +
            "the value \"" + 
            ((HtmlInputHidden)Place.FindControl("HiddenValue")).Value + "\"";



<head runat="server">
    <title> HtmlInputHidden Constructor Example </title>

   <form id="form1" runat="server">

      <h3> HtmlInputHidden Constructor Example </h3> 

      <asp:PlaceHolder id="Place" runat="server"/>

         <span id="Message"  




Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0